Debt Instrument, Number of Tranches

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Balance Type:	credit
Period Type:	duration

- Definition

The historical cost of the asset(s) sold in connection with the sale of the property to another party and the lease of the property back to the seller.

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Debt - 2012 Issuances (Details) £ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jan. 31, 2019 USD ($)	Dec. 31, 2016 GBP (£)	Oct. 31, 2013 EUR (€) tranche	Jun. 30, 2012 EUR (€) tranche
Line of Credit Facility [Line Items]
Repayments of long-term debt	$ 0.0	$ 451.7	$ 1,462.2
Sale Leaseback Transaction
Line of Credit Facility [Line Items]
Sale leaseback transaction, historical cost				$ 116.8
Long-term debt, gross				$ 96.2
Unsecured debt
Line of Credit Facility [Line Items]
Debt instrument, face amount \| €						€ 355,000,000	€ 325,000,000
Number of tranches \| tranche						3	3
Unsecured debt \| 3.40% 2012 Private placement notes due 2022
Line of Credit Facility [Line Items]
Debt instrument, face amount \| €							€ 150,000,000
Interest rate, stated percentage		3.40%					3.40%
Repayments of long-term debt		$ 161.0
Unsecured debt \| 4.00% 2012 Private Placement Notes due 2027
Line of Credit Facility [Line Items]
Debt instrument, face amount \| €							€ 75,000,000
Interest rate, stated percentage	4.00%	4.00%					4.00%
Long-term debt, gross	$ 82.9	$ 80.1
Unsecured debt \| 4.00% 2012 Private Placement Notes due 2032
Line of Credit Facility [Line Items]
Debt instrument, face amount \| €							€ 100,000,000
Interest rate, stated percentage	4.00%	4.00%					4.00%
Long-term debt, gross	$ 110.5	$ 106.7
Unsecured debt \| 3.15% 2013 Private Placement Notes due 2023
Line of Credit Facility [Line Items]
Debt instrument, face amount \| €						€ 130,000,000
Interest rate, stated percentage	3.15%	3.15%				3.15%
Repayments of long-term debt	$ 270.2
Long-term debt, gross	$ 0.0	$ 272.2
Term loan
Line of Credit Facility [Line Items]
Debt instrument, face amount \| £					£ 160.0
Interest rate, stated percentage					2.813%